Examples with BusinessException com.terran4j.commons.util.error.BusinessException used on opensource projects

Example 11 with BusinessException

use of com.terran4j.commons.util.error.BusinessException in project commons by terran4j.

the class AsymmetricKeys method decrypt.

/**
 * 用私钥解密
 * @param cipherText 密文
 * @return 明文
 * @throws BusinessException 解密过程中的异常信息
 */
public String decrypt(String cipherText) throws BusinessException {
    try {
        byte[] data = Strings.fromHexString(cipherText);
        byte[] decryptedData = decrypt(data);
        String result = new String(decryptedData, Encoding.UTF8.getName());
        return result;
    } catch (Exception e) {
        throw new BusinessException(CommonErrorCode.INVALID_PARAM, e).put("cipherText", cipherText).setMessage("非法的密文");
    }
}

Example 12 with BusinessException

use of com.terran4j.commons.util.error.BusinessException in project commons by terran4j.

the class AsymmetricKeys method initCipher.

private Cipher initCipher(RSAPublicKey publicKey) throws BusinessException {
    try {
        Cipher cipher = Cipher.getInstance(ALGORITHM_RSA, new BouncyCastleProvider());
        cipher.init(Cipher.ENCRYPT_MODE, publicKey);
        return cipher;
    } catch (NoSuchAlgorithmException e) {
        throw new BusinessException(CommonErrorCode.INTERNAL_ERROR, e).put("algorithm", ALGORITHM_RSA).setMessage("No Such Algorithm: ${algorithm}");
    } catch (NoSuchPaddingException e) {
        throw new BusinessException(CommonErrorCode.INTERNAL_ERROR, e).setMessage("No Such Padding");
    } catch (InvalidKeyException e) {
        throw new BusinessException(CommonErrorCode.INTERNAL_ERROR, e).setMessage("加密公私非法,请检查");
    }
}

Example 13 with BusinessException

use of com.terran4j.commons.util.error.BusinessException in project commons by terran4j.

the class DSchedulingAspect method doDistributedScheduling.

@Around("distributedScheduling()")
public Object doDistributedScheduling(ProceedingJoinPoint point) throws Throwable {
    // JobExeInfo 用于记录任务信息。
    JobExeInfo jobExeInfo = new JobExeInfo();
    long beginTime = System.currentTimeMillis();
    jobExeInfo.setBeginTime(beginTime);
    jobExeInfo.setInstanceId(instanceId);
    Object targetObject = point.getTarget();
    Class<?> targetClass = Classes.getTargetClass(targetObject);
    String className = targetClass.getName();
    String methodName = point.getSignature().getName();
    jobExeInfo.setClassName(className);
    jobExeInfo.setMethodName(methodName);
    final Logger log = LoggerFactory.getLogger(targetClass);
    // 只有用 @DScheduling 修饰的方法，才会使用并发控制。
    Object[] args = point.getArgs();
    Method method = Classes.getMethod(targetClass, methodName, args, DScheduling.class);
    if (method == null) {
        log.error("method not found, className = {}, methodName = {}", className, methodName);
        return point.proceed(args);
    }
    DScheduling distributedScheduling = method.getAnnotation(DScheduling.class);
    if (distributedScheduling == null) {
        log.error("@DistributedScheduling not found, className = {}, methodName = {}", className, methodName);
        return point.proceed(args);
    }
    // 还得要 @Scheduled 修饰。
    Scheduled scheduled = method.getAnnotation(Scheduled.class);
    if (scheduled == null) {
        String msg = String.format("${className}.${methodName}方法" + "上有 %s 注解但没有 %s 注解。", DScheduling.class, Scheduled.class);
        throw new BusinessException(ErrorCodes.INTERNAL_ERROR).put("className", className).put("methodName", methodName).setMessage(msg);
    }
    // 被加上 Scheduled 注解的方法，都是没有参数的，
    // 因此可以用“类名 + 方法名”唯一标识一个任务。
    // 但是“类名 + 方法名”很长，有的类是动态类，类名不一定一样，
    // 应用方需要自己设置distributedScheduling 的唯一标识。
    String value = distributedScheduling.value();
    checkValue(value, method);
    if (log.isInfoEnabled()) {
        log.info("start to DistributedScheduling '{}' at: {}", value, DateTimes.toString(new Date()));
    }
    // 尝试从 redis 中获取分布式锁，如果没有获取到锁，就不执行本次调度。
    String jobInfoKey = "hedis.schedule.jobInfo-" + value;
    String lockKey = "hedis.schedule.lock-" + value;
    long lockExpired = distributedScheduling.lockExpiredSecond() * 1000;
    // 任务信息保存时间要比锁长，目前设置为 2 倍。
    long jobInfoExpired = lockExpired * 2;
    boolean locked = cacheService.setObjectIfAbsent(lockKey, instanceId, lockExpired);
    if (!locked) {
        // 没有取到锁，不执行任务。
        if (log.isInfoEnabled()) {
            JobExeInfo lastInfo = cacheService.getObject(jobInfoKey, JobExeInfo.class);
            log.info("job is executing by other instance, lastInfo:\n{}", lastInfo);
        }
        return null;
    } else {
        if (log.isInfoEnabled()) {
            log.info("get the lock by instance: {}", instanceId);
        }
    }
    // 查看上次的执行时间，如果没到这次的执行时间，也应该避免。
    JobExeInfo lastInfo = cacheService.getObject(jobInfoKey, JobExeInfo.class);
    if (lastInfo != null) {
        if (!isValidTime(lastInfo, scheduled, distributedScheduling, log)) {
            if (log.isInfoEnabled()) {
                log.info("job is executed by other instance, but next " + "executing not coming, lastInfo: \n{}", lastInfo);
            }
            // 释放锁。
            cacheService.remove(lockKey);
            return null;
        }
    }
    Object result = null;
    try {
        if (log.isInfoEnabled()) {
            log.info("now begin to executing the job.");
        }
        // 执行任务之前，先写入任务的执行信息。
        jobExeInfo.setRunning(true);
        cacheService.setObject(jobInfoKey, jobExeInfo, jobInfoExpired);
        // 真正执行任务。
        result = point.proceed(args);
        if (log.isInfoEnabled()) {
            log.info("execute job done, args: {}, result: {}", args, result);
        }
        jobExeInfo.setResultCode("SUCCESS");
        if (log.isInfoEnabled()) {
            log.info("executing the job done.");
        }
    } catch (BusinessException e) {
        jobExeInfo.setResultCode(e.getErrorCode().getName());
        jobExeInfo.setMessage(e.getMessage());
        if (log.isInfoEnabled()) {
            log.info("executing the job error: {}", e.getMessage());
        }
    } catch (Throwable e) {
        jobExeInfo.setResultCode(ErrorCodes.UNKNOWN_ERROR);
        jobExeInfo.setMessage(e.getMessage());
        if (log.isInfoEnabled()) {
            log.info("executing the job error: {}", e.getMessage());
        }
    } finally {
        // 保存本次任务的执行信息。
        long endTime = System.currentTimeMillis();
        jobExeInfo.setEndTime(endTime);
        jobExeInfo.setRunning(false);
        cacheService.setObject(jobInfoKey, jobExeInfo, jobInfoExpired);
        if (log.isInfoEnabled()) {
            log.info("done DScheduling, jobExeInfo:\n{}", jobExeInfo);
        }
        // 释放锁。
        cacheService.remove(lockKey);
    }
    if (log.isInfoEnabled()) {
        log.info("end of DistributedScheduling '{}' at: {}", value, DateTimes.toString(new Date()));
    }
    return result;
}

Example 14 with BusinessException

use of com.terran4j.commons.util.error.BusinessException in project commons by terran4j.

the class DSchedulingAspect method checkValue.

void checkValue(String value, Method method) throws BusinessException {
    if (method == null) {
        throw new NullPointerException("method is null.");
    }
    if (StringUtils.isEmpty(value)) {
        throw new BusinessException(ErrorCodes.INTERNAL_ERROR).put("value", value).put("className", method.getDeclaringClass().getName()).put("methodName", method.getName()).setMessage("@DistributedScheduling value can't be empty.");
    }
    boolean isDuplicate = false;
    Method existedMethod = methods.get(value);
    if (existedMethod == null) {
        synchronized (this) {
            existedMethod = methods.get(value);
            if (existedMethod != null && existedMethod != method) {
                isDuplicate = true;
            } else if (existedMethod == null) {
                methods.put(value, method);
            }
        }
    } else if (isDuplicate || !existedMethod.equals(method)) {
        String msg = "@DistributedScheduling(\"${value}\") is duplicated with another.";
        throw new BusinessException(ErrorCodes.INTERNAL_ERROR).put("value", value).put("className", method.getDeclaringClass().getName()).put("methodName", method.getName()).put("existedClassName", existedMethod.getDeclaringClass().getName()).put("existedMethodName", existedMethod.getName()).setMessage(msg);
    }
}

Example 15 with BusinessException

use of com.terran4j.commons.util.error.BusinessException in project commons by terran4j.

the class DSynchronizedAspect method doGetLockKey.

static String doGetLockKey(String keyEL, Object target, Method method, Object[] args) throws BusinessException {
    String lockKey = null;
    if (StringUtils.isEmpty(keyEL)) {
        lockKey = Classes.toIdentify(method);
    } else {
        String[] params = getNamesByAnno(method);
        Expression expression = getExpression(keyEL);
        EvaluationContext context = new StandardEvaluationContext();
        context.setVariable("target", target);
        int length = params.length;
        if (length > 0) {
            for (int i = 0; i < length; i++) {
                String key = params[i];
                Object value = args[i];
                if (StringUtils.isEmpty(key) || value == null) {
                    continue;
                }
                context.setVariable(key, value);
                DSynchArgs.set(key, value);
            }
        }
        lockKey = expression.getValue(context, String.class);
        if (StringUtils.isEmpty(lockKey)) {
            throw new BusinessException(ErrorCodes.CONFIG_ERROR).put("keyEL", keyEL).put("keyValue", lockKey).setMessage("@DSynchronized中定义锁表达式为空。");
        }
    }
    return lockKey;
}